Citric acid strontium nutrients can be used for the preparation of an animal, which include: sodium selenite, ferrous sulfate, manganese sulfate, potassium iodide or ferrous fumarate, or lysine complexing manganese, zinc sulfate, zinc oxide or citric acid strontium, organic germanium or germanium dioxide, cobalt chloride, cobalt sulfate, calcium carbonate or calcium dihydrogen phosphate, chromium chloride, copper sulfate or lysine complexing copper, vitamin C, vitamin B12, vitamin E, nicotinic acid or acetic acid, pantothenic acid, hot and spicy garlic, powder, simple pine needle powder, pepper, nutmeg, cloves and licorice. The invention also relates to a preparation method of the animal nutrients.